1. Are you a trading company or manufacturer? We are a professional factory with 10 years of experience in the field of High and low-voltage switchgear, Substation, transformers, cable distribution boxes, and various electrical equipment, such as vacuum circuit breakers, load break switches, etc. Our factory is an excellent supplier of State Grid Corporation of China. 2. Do you accept customized services? We offer OEM/ODM service and can print your logo on the product. our professional technical and quotation team can provide a satisfactory project according to your drawing and parameters. 3. What is your MOQ? Our MOQ is 1 piece. 4. How long is your delivery lead time? It depends on your product requirement and quantity. Generally, 5~10 working days are available. 5. How do you solve quality problems? Please provide detailed photos of quality problems. our technical and quality testing department will analyze. we will make a satisfactory solution within 2 days. 6. What are your payment terms? 30% T/T in advance,70% before shipment. West Union, L/C are also acceptable.